dnj650c http://www.cs.wisc.edu/~ghost/doc/printer.htm gs -q -dBATCH -dPARANOIDSAFER -dQUIET -dNOPAUSE -r300x300 -sDEVICE=dnj650c%A%Z -sOutputFile=- - printer/HP-DesignJet_230 printer/HP-DesignJet_350C printer/HP-DesignJet_650C printer/HP-DesignJet_750C_Plus